| Patents for G01C 21 - Navigation; Navigational instruments not provided for in groups (52,650) |
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| 05/10/1994 | US5311195 Method of operating a navigation system |
| 05/10/1994 | US5311194 GPS precision approach and landing system for aircraft |
| 05/10/1994 | US5311173 Navigation system and method using map data |
| 05/10/1994 | CA1329421C Flight path responsive aircraft wind shear alerting and warning system |
| 05/05/1994 | DE4336513A1 Vehicle navigation arrangement with map display - detects deviation from route with associated scale enlargement about current vehicle position |
| 05/04/1994 | EP0595685A1 Method and device for vehicle guidance on roads |
| 05/04/1994 | EP0595570A2 Navigation module for a semi-autonomous vehicle |
| 05/03/1994 | US5309408 Sonar system |
| 05/03/1994 | CA2021182C Method and apparatus for estimating a position of a target |
| 04/28/1994 | WO1994009341A1 Process for determining a vehicle yaw angle |
| 04/28/1994 | DE4334886A1 Vehicle route-destination guidance arrangement with on-board computer - uses data on traffic conditions gained during preceding learning phase to derive alternate route depending on time |
| 04/26/1994 | US5307278 Method of determining the position of a vehicle, arrangement for determining the position of a vehicle, as well as a vehicle provided with such an arrangement |
| 04/26/1994 | US5307277 Location detecting apparatus |
| 04/21/1994 | DE4235285A1 Transformation of UTM projection coordinates in navigation system - deriving two-dimensional coordinate system rotation angle from given formula |
| 04/20/1994 | EP0593256A1 Navigation apparatus |
| 04/19/1994 | CA2032267C Lightweight missile guidance system |
| 04/14/1994 | WO1994008250A1 Vehicle navigation system |
| 04/12/1994 | US5303159 Navigation system with off-route detection and route recalculation |
| 04/12/1994 | US5302823 In an electrooptical apparatus |
| 04/12/1994 | CA1328494C Automatic travelling vehicle and method |
| 04/07/1994 | DE4233210A1 Car radio receiver with RDS decoder - decodes data in transmitted information signal w.r.t. frequency and location of transmitter |
| 04/06/1994 | EP0590588A1 Vehicle driving support system and vehicle therewith |
| 04/06/1994 | EP0590576A1 System to detect the absolute error of a vehicle steering angle sensor |
| 04/05/1994 | US5301114 Inertial navigation system including self-contained performance validating arrangement |
| 04/05/1994 | US5301113 Electronic system and method for calculating distance to empty for motorized vehicles |
| 03/29/1994 | US5297762 Optical navigation sensor with single two-dimensional CCD |
| 03/23/1994 | EP0588598A1 GPS precision approach and landing system for aircraft |
| 03/23/1994 | EP0588086A1 Voice route-guidance system |
| 03/23/1994 | EP0588082A1 Navigation system for vehicle |
| 03/23/1994 | EP0587892A1 Navigation apparatus and navigation method |
| 03/23/1994 | EP0587796A1 Electronic direction finder |
| 03/22/1994 | US5297052 Integrated fault-tolerant air data inertial reference system |
| 03/22/1994 | US5297051 Map display device |
| 03/22/1994 | US5297050 Direction sensor having an earth magnetism sensor and a rate gyro sensor and navigation system having this direction sensor |
| 03/22/1994 | US5297049 Vehicle guidance system |
| 03/22/1994 | US5297028 Method and apparatus for correcting drift errors in an angular rate sensor |
| 03/22/1994 | US5296855 Offset correction apparatus of turning angular velocity sensor |
| 03/21/1994 | EP0587796A4 Electronic direction finder. |
| 03/17/1994 | DE4230299A1 Land vehicle location - stores distance and direction of travel after departure from path data previously-stored in CD-ROM, and displays both calculated position and previously-stored path |
| 03/16/1994 | EP0586626A1 Navigation device for road vehicles |
| 03/09/1994 | EP0586302A1 On-board navigation system for aircraft comprising a side-looking synthetic aperture radar |
| 03/09/1994 | EP0585950A2 Communication system for automotive navigation system |
| 03/08/1994 | US5293318 Navigation system |
| 03/08/1994 | US5293163 Navigation apparatus for vehicles |
| 03/08/1994 | CA1327635C Vehicle location system on a map display |
| 03/03/1994 | DE4327780A1 Vehicle navigation system with display for vehicle position w.r.t. junction - begins discrete display of position when vehicle is set distance from intersection, and ends display when system determines that crossing has been accomplished |
| 03/02/1994 | EP0584310A1 Road traffic radio receiver |
| 03/02/1994 | CN1023913C Guide beacon display device |
| 03/01/1994 | US5291414 Navigation system for guiding a vehicle along a precomputed optimal route |
| 03/01/1994 | US5291413 Navigation system for guiding a vehicle along a precomputed optimal route |
| 03/01/1994 | US5291412 Navigation system |
| 02/23/1994 | EP0583773A2 Navigation system for vehicles |
| 02/23/1994 | EP0583730A2 Navigation system for vehicles |
| 02/23/1994 | EP0583239A1 Tracking system |
| 02/22/1994 | US5289572 Electronic map combined with user service information |
| 02/22/1994 | US5289195 Positioning and displaying system |
| 02/22/1994 | US5289184 Road map displaying system for automotive vehicle |
| 02/22/1994 | US5289167 Display apparatus capable of processing distance information |
| 02/17/1994 | DE4243511A1 Vehicle occupant position-dependent information reproduction arrangement - contains portable data carrier and reproduction device activated according to distance travelled |
| 02/17/1994 | DE4234651C1 Verfahren zur Ermittlung des Gierwinkels eines Fahrzeuges Method for determining the yaw angle of a vehicle |
| 02/17/1994 | DE4231137A1 Safety computer for motor cars - contains various computer modules performing safety functions, e.g. monitoring and indicating distance to preceding vehicle |
| 02/16/1994 | EP0582798A1 Method and circuit arrangement for determining the geographic position of a broadcast receiver |
| 02/08/1994 | US5285523 Apparatus for recognizing driving environment of vehicle |
| 02/08/1994 | US5285391 Multiple layer road memory storage device and route planning system |
| 02/02/1994 | EP0581659A1 Process to assist navigation |
| 02/01/1994 | US5283743 Vehicle-direction measuring apparatus |
| 02/01/1994 | US5283575 System and method for locating a travelling vehicle |
| 02/01/1994 | US5283574 Altitude loss after take-off warning system utilizing time and altitude |
| 02/01/1994 | US5282318 Position sensor |
| 02/01/1994 | CA1326708C Magnetic system for locating avalanche victims and other lost objects |
| 01/27/1994 | DE4324215A1 Vehicle navigation system with speech - calculates location at which spoken guidance information is given in dependence on vehicle situation |
| 01/26/1994 | EP0580167A1 Vehicle route guidance apparatus for researching for a route when vehicle goes out of route |
| 01/26/1994 | EP0580166A2 Vehicle navigation system |
| 01/26/1994 | EP0580157A1 Volume control of aural guidance of vehicle route guidance apparatus |
| 01/26/1994 | EP0580106A2 Navigation system for guiding vehicle orally |
| 01/26/1994 | EP0580105A1 Vehicle-guiding device for recognizing curved road and leading vehicle along curved road aurally |
| 01/25/1994 | CA1326529C Method for observing by scanning a celestial body and for measuring an angular velocity of a space vehicle, observation system for its implementation, and space vehicle comprisingsame |
| 01/20/1994 | DE4223531A1 High speed missile inertial reference optical support and re-initialising system - derives alignment error estimates from comparison of outputs of video camera sensors of reference points located on launcher with values from guidance system |
| 01/19/1994 | EP0579451A1 Method of and apparatus for producing an animation having a series of road drawings to be watched from a driver's seat of a vehicle |
| 01/19/1994 | EP0578788A1 A vehicle route planning system |
| 01/19/1994 | EP0439543B1 A method of storage and retrieval of digital map data based upon a tessellated geoid system |
| 01/18/1994 | CA1326301C Directional information system |
| 01/18/1994 | CA1326273C Apparatus for displaying travel path |
| 01/13/1994 | DE4222373A1 Distance and speed meter for sportsmen - derives speed and distance by integration of measured acceleration using sensor without external source |
| 01/12/1994 | EP0577782A1 A vehicle route guidance system |
| 01/11/1994 | US5278763 Navigation aids |
| 01/11/1994 | US5278424 Apparatus and method for correcting an offset value contained in an output of a turning angular velocity sensor |
| 01/11/1994 | US5277385 Method of attitude reacquisition for three-axis stabilized satellites using star recognition |
| 01/11/1994 | CA1325903C Gyroscope system |
| 01/05/1994 | EP0576641A1 Vehicle navigation apparatus |
| 01/05/1994 | EP0576423A1 Continuously curved strut mounted sensor. |
| 01/04/1994 | US5276626 Direction finding method and apparatus for correcting magnetization of a vehicle |
| 01/04/1994 | US5276451 Navigation system with navigational data processing |
| 12/29/1993 | EP0576070A1 Error correction device for vehicle odometer |
| 12/29/1993 | EP0575943A1 Route searching apparatus for vehicle |
| 12/29/1993 | EP0321513B1 Nutation sensor and nutation control system for a dual-spin stabilized satellite |
| 12/28/1993 | US5274560 Sensor free vehicle navigation system utilizing a voice input/output interface for routing a driver from his source point to his destination point |
| 12/28/1993 | US5274387 Navigation apparatus for vehicles |
| 12/28/1993 | CA1325666C Nutation sensor and nutation control system for a dual-spin stabilized satellite |
| 12/21/1993 | US5272639 Terrain referenced navigation electromagnetic-gravitational correlation |